22840074 has 24 divisors (see below), whose sum is σ = 49576800. Its totient is φ = 7599528.

The previous prime is 22840067. The next prime is 22840079. The reversal of 22840074 is 47004822.

It is not an unprimeable number, because it can be changed into a prime (22840079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15627 + ... + 17025.

It is an arithmetic number, because the mean of its divisors is an integer number (2065700).

Almost surely, 2^22840074 is an apocalyptic number.

22840074 is an abundant number, since it is smaller than the sum of its proper divisors (26736726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22840074 is a wasteful number, since it uses less digits than its factorization.

22840074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2311 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 22840074 is about 4779.1290001422. The cubic root of 22840074 is about 283.7260218956.

Adding to 22840074 its reverse (47004822), we get a palindrome (69844896).

The spelling of 22840074 in words is "twenty-two million, eight hundred forty thousand, seventy-four".